99 lines
3.2 KiB
Objective-C
99 lines
3.2 KiB
Objective-C
//
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// SignalsNavigationController.m
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// Signal
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//
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// Created by Dylan Bourgeois on 18/11/14.
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// Copyright (c) 2014 Open Whisper Systems. All rights reserved.
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//
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#import "SignalsNavigationController.h"
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#import "UIUtil.h"
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@interface SignalsNavigationController ()
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@end
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static double const STALLED_PROGRESS = 0.9;
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@implementation SignalsNavigationController
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- (void)viewDidLoad {
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[super viewDidLoad];
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// Do any additional setup after loading the view.
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[self initializeObserver];
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[TSSocketManager sendNotification];
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}
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- (void)initializeSocketStatusBar {
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if (!_socketStatusView) {
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_socketStatusView = [[UIProgressView alloc] initWithProgressViewStyle:UIProgressViewStyleDefault];
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}
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CGRect bar = self.navigationBar.frame;
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_socketStatusView.frame = CGRectMake(0, bar.size.height - 1.0f, self.view.frame.size.width, 1.0f);
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_socketStatusView.progress = 0.0f;
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_socketStatusView.progressTintColor = [UIColor ows_fadedBlueColor];
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if (![_socketStatusView superview]) {
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[self.navigationBar addSubview:_socketStatusView];
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}
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}
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- (void)dealloc {
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[[NSNotificationCenter defaultCenter] removeObserver:self];
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}
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#pragma mark - Socket Status Notifications
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- (void)initializeObserver {
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(socketDidOpen)
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name:SocketOpenedNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(socketDidClose)
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name:SocketClosedNotification
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object:nil];
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[[NSNotificationCenter defaultCenter] addObserver:self
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selector:@selector(socketIsConnecting)
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name:SocketConnectingNotification
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object:nil];
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}
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- (void)socketDidOpen {
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[_updateStatusTimer invalidate];
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for (UIView *view in self.navigationBar.subviews) {
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if ([view isKindOfClass:[UIProgressView class]]) {
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[view removeFromSuperview];
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_socketStatusView = nil;
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}
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}
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}
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- (void)socketDidClose {
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if (_socketStatusView == nil) {
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[self initializeSocketStatusBar];
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_updateStatusTimer = [NSTimer scheduledTimerWithTimeInterval:0.5
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target:self
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selector:@selector(updateSocketConnecting)
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userInfo:nil
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repeats:YES];
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} else if (_socketStatusView.progress >= STALLED_PROGRESS) {
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[_updateStatusTimer invalidate];
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}
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}
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- (void)updateSocketConnecting {
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double progress = _socketStatusView.progress + 0.05;
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_socketStatusView.progress = (float)MIN(progress, STALLED_PROGRESS);
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}
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- (void)socketIsConnecting {
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// Nothing to see here currently
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}
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@end
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